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Gaseou Pressure Equalizing Valve NSN 4820-01-299-8745

Item Description

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

NSN 4820-01-299-8745 NSN: 4820-01-299-8745

  Stock Availability

NSN 4820012998745 availability
(as of 05/21/2024).

  • NS: 57
  • NE: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Body Material
Aluminum
Maximum Operating Pressure
1.0 pounds per square inch
Outside Surface Treatment
Anodized
Body Style
Single connection, straight flow
Media For Which Designed
Air
First End Connection Type
Threaded external pipe
First End Style Designator
Plain
First End Pipe Size Accommodated
0.750 inches
First End Thread Direction
Right-hand
Flow Control Device
Disk, flat
End Connection Quantity
1
Disk Loading Method
Spring
Opening Pressure Setting
2.5 pounds per square inch
Valve Venting Design Type
Atmospheric
Valve Relief Design Type
Pressure and vacuum
Absolute Pressure Setting
2.5
First End Thread Series Designator
Npsm
First End Thread Size
0.750 inches
FSC
4820 Nonpowered Valves
NIIN
012998745
NSN
4820012998745

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5166180-2
Cage Code:
53711
Status:
A
MSDS:
Part Number:
TA333-10-10-R
Cage Code:
08992
Status:
A
MSDS:
Part Number:
798AS106-2
Cage Code:
30003
Status:
A
MSDS:
Part Number:
798AS106
Cage Code:
30003
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809050
  • NAICS: 332911
  • SITC: 74780
  • Description: Other taps, cocks, valves, etc., nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-299-8745
What are the manufacturers of nsn 4820012998745?
Does this nsn 4820012998745 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012998745
A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. it is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. the center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. it may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. exclude valve, vacuum breaking.
Does nsn 4820012998745 contain any precious metals?
No precious metal content.
Does nsn 4820012998745 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012998745?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
10958
FIIG:
A07100
App. Key:
AP
Cond. Code:
1
Status:
A

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